The Earth has a magnetic field that shields it from __
a. Meteorites
b. Sunspot radiation
c. Solar wind
d. Cosmic rays
e. Both c and d
Answer: e. Both c and d
You might also like to view...
Why is a pycnocline NOT found at high latitudes?
a. The transition zone occurs below the floor of the ocean. b. The transition zone cannot occur with the warm temperatures associated with high latitudes. c. There is no transition zone between the warm, low-density surface water and the warm, lowdensity deep water. d. There is no transition zone between the warm, low-density surface water and the cold, highdensity deep water. e. There is no transition zone between the cold, high-density surface water and the cold, highdensity deep water at high latitudes.
Sudden or catastrophic events, such as volcanic eruptions and tsunami, can be explained by ____
A)big bang theory B)theory of natural selection C)third law of thermodynamics D)principle of uniformitarianism E)scientific method
How does a specific aminoacyl-tRNA synthetase recognize its tRNA?
A) by the anticodon loop of tRNA B) by the residue at the 3' end of the tRNA C) by the residue at the 5' end of the tRNA D) By a nucleotide sequence on the tRNA which may or may not include the anticodon loop.
A 55-year-old hunter became trapped in the woods after falling and injuring his leg. Rescuers believe he has been exposed to freezing temperatures for more than five hours. Upon your arrival, he is only semi-conscious and his skin is cold to touch. He is not responding to your questions. You should:
A. get the patient walking to generate heat. B. ask the patient to drink a hot caffeinated beverage. C. apply an external heat source for active rewarming. D. insulate the patient and gently transport him.